#include <stdio.h>

#include "mymath.h"

int main() {
  int a = 10, b = 5;
  printf("Add: %d + %d = %d\n", a, b, add(a, b));
  printf("Sub: %d - %d = %d\n", a, b, sub(a, b));
  printf("Mul: %d * %d = %d\n", a, b, mul(a, b));
  int n = div(5, 0);
  printf("Div: %d / %d = %d\nmyerrno = %d", a, b, n,myerrno);
  return 0;
}